jamylovesdonuts jamylovesdonuts

02-06-2016
Mathematics

contestada

What is the solution of −81=b6 ?
A. b = −486
B. b = −75
C. b = 13.5
D. b = 486

Respuesta :

Jennnyyy Jennnyyy

02-06-2016

We have to isolate b to be alone.
Soooo first we divide both sides by 6

-81 = b6
÷6 = ÷6 The right side cancels out and gets the b alone. While we solve the right side of the equal sign.
-81 ÷ 6 = -13.5
So this means we isolated b alone!
b = -13.5

Our final answer is..
b = -13.5

:)

Answer Link

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